kernel/net/netfilter/ipset/ip_set_hash_netportnet.c

   1 /* Copyright (C) 2003-2013 Jozsef Kadlecsik <kadlec@blackhole.kfki.hu>
   2  *
   3  * This program is free software; you can redistribute it and/or modify
   4  * it under the terms of the GNU General Public License version 2 as
   5  * published by the Free Software Foundation.
   6  */
   7
   8 /* Kernel module implementing an IP set type: the hash:ip,port,net type */
   9
  10 #include <linux/jhash.h>
  11 #include <linux/module.h>
  12 #include <linux/ip.h>
  13 #include <linux/skbuff.h>
  14 #include <linux/errno.h>
  15 #include <linux/random.h>
  16 #include <net/ip.h>
  17 #include <net/ipv6.h>
  18 #include <net/netlink.h>
  19 #include <net/tcp.h>
  20
  21 #include <linux/netfilter.h>
  22 #include <linux/netfilter/ipset/pfxlen.h>
  23 #include <linux/netfilter/ipset/ip_set.h>
  24 #include <linux/netfilter/ipset/ip_set_getport.h>
  25 #include <linux/netfilter/ipset/ip_set_hash.h>
  26
  27 #define IPSET_TYPE_REV_MIN      0
  28 /*                              0    Comments support added */
  29 /*                              1    Forceadd support added */
  30 #define IPSET_TYPE_REV_MAX      2 /* skbinfo support added */
  31
  32 MODULE_LICENSE("GPL");
  33 MODULE_AUTHOR("Oliver Smith <oliver@8.c.9.b.0.7.4.0.1.0.0.2.ip6.arpa>");
  34 IP_SET_MODULE_DESC("hash:net,port,net", IPSET_TYPE_REV_MIN, IPSET_TYPE_REV_MAX);
  35 MODULE_ALIAS("ip_set_hash:net,port,net");
  36
  37 /* Type specific function prefix */
  38 #define HTYPE           hash_netportnet
  39 #define IP_SET_HASH_WITH_PROTO
  40 #define IP_SET_HASH_WITH_NETS
  41 #define IPSET_NET_COUNT 2
  42
  43 /* IPv4 variant */
  44
  45 /* Member elements */
  46 struct hash_netportnet4_elem {
  47         union {
  48                 __be32 ip[2];
  49                 __be64 ipcmp;
  50         };
  51         __be16 port;
  52         union {
  53                 u8 cidr[2];
  54                 u16 ccmp;
  55         };
  56         u16 padding;
  57         u8 nomatch:1;
  58         u8 proto;
  59 };
  60
  61 /* Common functions */
  62
  63 static inline bool
  64 hash_netportnet4_data_equal(const struct hash_netportnet4_elem *ip1,
  65                            const struct hash_netportnet4_elem *ip2,
  66                            u32 *multi)
  67 {
  68         return ip1->ipcmp == ip2->ipcmp &&
  69                ip1->ccmp == ip2->ccmp &&
  70                ip1->port == ip2->port &&
  71                ip1->proto == ip2->proto;
  72 }
  73
  74 static inline int
  75 hash_netportnet4_do_data_match(const struct hash_netportnet4_elem *elem)
  76 {
  77         return elem->nomatch ? -ENOTEMPTY : 1;
  78 }
  79
  80 static inline void
  81 hash_netportnet4_data_set_flags(struct hash_netportnet4_elem *elem, u32 flags)
  82 {
  83         elem->nomatch = !!((flags >> 16) & IPSET_FLAG_NOMATCH);
  84 }
  85
  86 static inline void
  87 hash_netportnet4_data_reset_flags(struct hash_netportnet4_elem *elem, u8 *flags)
  88 {
  89         swap(*flags, elem->nomatch);
  90 }
  91
  92 static inline void
  93 hash_netportnet4_data_reset_elem(struct hash_netportnet4_elem *elem,
  94                                 struct hash_netportnet4_elem *orig)
  95 {
  96         elem->ip[1] = orig->ip[1];
  97 }
  98
  99 static inline void
 100 hash_netportnet4_data_netmask(struct hash_netportnet4_elem *elem,
 101                               u8 cidr, bool inner)
 102 {
 103         if (inner) {
 104                 elem->ip[1] &= ip_set_netmask(cidr);
 105                 elem->cidr[1] = cidr;
 106         } else {
 107                 elem->ip[0] &= ip_set_netmask(cidr);
 108                 elem->cidr[0] = cidr;
 109         }
 110 }
 111
 112 static bool
 113 hash_netportnet4_data_list(struct sk_buff *skb,
 114                           const struct hash_netportnet4_elem *data)
 115 {
 116         u32 flags = data->nomatch ? IPSET_FLAG_NOMATCH : 0;
 117
 118         if (nla_put_ipaddr4(skb, IPSET_ATTR_IP, data->ip[0]) ||
 119             nla_put_ipaddr4(skb, IPSET_ATTR_IP2, data->ip[1]) ||
 120             nla_put_net16(skb, IPSET_ATTR_PORT, data->port) ||
 121             nla_put_u8(skb, IPSET_ATTR_CIDR, data->cidr[0]) ||
 122             nla_put_u8(skb, IPSET_ATTR_CIDR2, data->cidr[1]) ||
 123             nla_put_u8(skb, IPSET_ATTR_PROTO, data->proto) ||
 124             (flags &&
 125              nla_put_net32(skb, IPSET_ATTR_CADT_FLAGS, htonl(flags))))
 126                 goto nla_put_failure;
 127         return 0;
 128
 129 nla_put_failure:
 130         return 1;
 131 }
 132
 133 static inline void
 134 hash_netportnet4_data_next(struct hash_netportnet4_elem *next,
 135                           const struct hash_netportnet4_elem *d)
 136 {
 137         next->ipcmp = d->ipcmp;
 138         next->port = d->port;
 139 }
 140
 141 #define MTYPE           hash_netportnet4
 142 #define PF              4
 143 #define HOST_MASK       32
 144 #include "ip_set_hash_gen.h"
 145
 146 static int
 147 hash_netportnet4_kadt(struct ip_set *set, const struct sk_buff *skb,
 148                      const struct xt_action_param *par,
 149                      enum ipset_adt adt, struct ip_set_adt_opt *opt)
 150 {
 151         const struct hash_netportnet *h = set->data;
 152         ipset_adtfn adtfn = set->variant->adt[adt];
 153         struct hash_netportnet4_elem e = { };
 154         struct ip_set_ext ext = IP_SET_INIT_KEXT(skb, opt, set);
 155
 156         e.cidr[0] = IP_SET_INIT_CIDR(h->nets[0].cidr[0], HOST_MASK);
 157         e.cidr[1] = IP_SET_INIT_CIDR(h->nets[0].cidr[1], HOST_MASK);
 158         if (adt == IPSET_TEST)
 159                 e.ccmp = (HOST_MASK << (sizeof(e.cidr[0]) * 8)) | HOST_MASK;
 160
 161         if (!ip_set_get_ip4_port(skb, opt->flags & IPSET_DIM_TWO_SRC,
 162                                  &e.port, &e.proto))
 163                 return -EINVAL;
 164
 165         ip4addrptr(skb, opt->flags & IPSET_DIM_ONE_SRC, &e.ip[0]);
 166         ip4addrptr(skb, opt->flags & IPSET_DIM_THREE_SRC, &e.ip[1]);
 167         e.ip[0] &= ip_set_netmask(e.cidr[0]);
 168         e.ip[1] &= ip_set_netmask(e.cidr[1]);
 169
 170         return adtfn(set, &e, &ext, &opt->ext, opt->cmdflags);
 171 }
 172
 173 static int
 174 hash_netportnet4_uadt(struct ip_set *set, struct nlattr *tb[],
 175                      enum ipset_adt adt, u32 *lineno, u32 flags, bool retried)
 176 {
 177         const struct hash_netportnet *h = set->data;
 178         ipset_adtfn adtfn = set->variant->adt[adt];
 179         struct hash_netportnet4_elem e = { };
 180         struct ip_set_ext ext = IP_SET_INIT_UEXT(set);
 181         u32 ip = 0, ip_to = 0, ip_last, p = 0, port, port_to;
 182         u32 ip2_from = 0, ip2_to = 0, ip2_last, ip2;
 183         bool with_ports = false;
 184         u8 cidr, cidr2;
 185         int ret;
 186
 187         e.cidr[0] = e.cidr[1] = HOST_MASK;
 188         if (unlikely(!tb[IPSET_ATTR_IP] || !tb[IPSET_ATTR_IP2] ||
 189                      !ip_set_attr_netorder(tb, IPSET_ATTR_PORT) ||
 190                      !ip_set_optattr_netorder(tb, IPSET_ATTR_PORT_TO) ||
 191                      !ip_set_optattr_netorder(tb, IPSET_ATTR_TIMEOUT) ||
 192                      !ip_set_optattr_netorder(tb, IPSET_ATTR_CADT_FLAGS) ||
 193                      !ip_set_optattr_netorder(tb, IPSET_ATTR_PACKETS) ||
 194                      !ip_set_optattr_netorder(tb, IPSET_ATTR_BYTES) ||
 195                      !ip_set_optattr_netorder(tb, IPSET_ATTR_SKBMARK) ||
 196                      !ip_set_optattr_netorder(tb, IPSET_ATTR_SKBPRIO) ||
 197                      !ip_set_optattr_netorder(tb, IPSET_ATTR_SKBQUEUE)))
 198                 return -IPSET_ERR_PROTOCOL;
 199
 200         if (tb[IPSET_ATTR_LINENO])
 201                 *lineno = nla_get_u32(tb[IPSET_ATTR_LINENO]);
 202
 203         ret = ip_set_get_hostipaddr4(tb[IPSET_ATTR_IP], &ip) ||
 204               ip_set_get_hostipaddr4(tb[IPSET_ATTR_IP2], &ip2_from) ||
 205               ip_set_get_extensions(set, tb, &ext);
 206         if (ret)
 207                 return ret;
 208
 209         if (tb[IPSET_ATTR_CIDR]) {
 210                 cidr = nla_get_u8(tb[IPSET_ATTR_CIDR]);
 211                 if (!cidr || cidr > HOST_MASK)
 212                         return -IPSET_ERR_INVALID_CIDR;
 213                 e.cidr[0] = cidr;
 214         }
 215
 216         if (tb[IPSET_ATTR_CIDR2]) {
 217                 cidr = nla_get_u8(tb[IPSET_ATTR_CIDR2]);
 218                 if (!cidr || cidr > HOST_MASK)
 219                         return -IPSET_ERR_INVALID_CIDR;
 220                 e.cidr[1] = cidr;
 221         }
 222
 223         if (tb[IPSET_ATTR_PORT])
 224                 e.port = nla_get_be16(tb[IPSET_ATTR_PORT]);
 225         else
 226                 return -IPSET_ERR_PROTOCOL;
 227
 228         if (tb[IPSET_ATTR_PROTO]) {
 229                 e.proto = nla_get_u8(tb[IPSET_ATTR_PROTO]);
 230                 with_ports = ip_set_proto_with_ports(e.proto);
 231
 232                 if (e.proto == 0)
 233                         return -IPSET_ERR_INVALID_PROTO;
 234         } else
 235                 return -IPSET_ERR_MISSING_PROTO;
 236
 237         if (!(with_ports || e.proto == IPPROTO_ICMP))
 238                 e.port = 0;
 239
 240         if (tb[IPSET_ATTR_CADT_FLAGS]) {
 241                 u32 cadt_flags = ip_set_get_h32(tb[IPSET_ATTR_CADT_FLAGS]);
 242                 if (cadt_flags & IPSET_FLAG_NOMATCH)
 243                         flags |= (IPSET_FLAG_NOMATCH << 16);
 244         }
 245
 246         with_ports = with_ports && tb[IPSET_ATTR_PORT_TO];
 247         if (adt == IPSET_TEST ||
 248             !(tb[IPSET_ATTR_IP_TO] || with_ports || tb[IPSET_ATTR_IP2_TO])) {
 249                 e.ip[0] = htonl(ip & ip_set_hostmask(e.cidr[0]));
 250                 e.ip[1] = htonl(ip2_from & ip_set_hostmask(e.cidr[1]));
 251                 ret = adtfn(set, &e, &ext, &ext, flags);
 252                 return ip_set_enomatch(ret, flags, adt, set) ? -ret :
 253                        ip_set_eexist(ret, flags) ? 0 : ret;
 254         }
 255
 256         ip_to = ip;
 257         if (tb[IPSET_ATTR_IP_TO]) {
 258                 ret = ip_set_get_hostipaddr4(tb[IPSET_ATTR_IP_TO], &ip_to);
 259                 if (ret)
 260                         return ret;
 261                 if (ip > ip_to)
 262                         swap(ip, ip_to);
 263                 if (unlikely(ip + UINT_MAX == ip_to))
 264                         return -IPSET_ERR_HASH_RANGE;
 265         } else
 266                 ip_set_mask_from_to(ip, ip_to, e.cidr[0]);
 267
 268         port_to = port = ntohs(e.port);
 269         if (tb[IPSET_ATTR_PORT_TO]) {
 270                 port_to = ip_set_get_h16(tb[IPSET_ATTR_PORT_TO]);
 271                 if (port > port_to)
 272                         swap(port, port_to);
 273         }
 274
 275         ip2_to = ip2_from;
 276         if (tb[IPSET_ATTR_IP2_TO]) {
 277                 ret = ip_set_get_hostipaddr4(tb[IPSET_ATTR_IP2_TO], &ip2_to);
 278                 if (ret)
 279                         return ret;
 280                 if (ip2_from > ip2_to)
 281                         swap(ip2_from, ip2_to);
 282                 if (unlikely(ip2_from + UINT_MAX == ip2_to))
 283                         return -IPSET_ERR_HASH_RANGE;
 284         } else
 285                 ip_set_mask_from_to(ip2_from, ip2_to, e.cidr[1]);
 286
 287         if (retried)
 288                 ip = ntohl(h->next.ip[0]);
 289
 290         while (!after(ip, ip_to)) {
 291                 e.ip[0] = htonl(ip);
 292                 ip_last = ip_set_range_to_cidr(ip, ip_to, &cidr);
 293                 e.cidr[0] = cidr;
 294                 p = retried && ip == ntohl(h->next.ip[0]) ? ntohs(h->next.port)
 295                                                           : port;
 296                 for (; p <= port_to; p++) {
 297                         e.port = htons(p);
 298                         ip2 = (retried && ip == ntohl(h->next.ip[0]) &&
 299                                p == ntohs(h->next.port)) ? ntohl(h->next.ip[1])
 300                                                          : ip2_from;
 301                         while (!after(ip2, ip2_to)) {
 302                                 e.ip[1] = htonl(ip2);
 303                                 ip2_last = ip_set_range_to_cidr(ip2, ip2_to,
 304                                                                 &cidr2);
 305                                 e.cidr[1] = cidr2;
 306                                 ret = adtfn(set, &e, &ext, &ext, flags);
 307                                 if (ret && !ip_set_eexist(ret, flags))
 308                                         return ret;
 309                                 else
 310                                         ret = 0;
 311                                 ip2 = ip2_last + 1;
 312                         }
 313                 }
 314                 ip = ip_last + 1;
 315         }
 316         return ret;
 317 }
 318
 319 /* IPv6 variant */
 320
 321 struct hash_netportnet6_elem {
 322         union nf_inet_addr ip[2];
 323         __be16 port;
 324         union {
 325                 u8 cidr[2];
 326                 u16 ccmp;
 327         };
 328         u16 padding;
 329         u8 nomatch:1;
 330         u8 proto;
 331 };
 332
 333 /* Common functions */
 334
 335 static inline bool
 336 hash_netportnet6_data_equal(const struct hash_netportnet6_elem *ip1,
 337                            const struct hash_netportnet6_elem *ip2,
 338                            u32 *multi)
 339 {
 340         return ipv6_addr_equal(&ip1->ip[0].in6, &ip2->ip[0].in6) &&
 341                ipv6_addr_equal(&ip1->ip[1].in6, &ip2->ip[1].in6) &&
 342                ip1->ccmp == ip2->ccmp &&
 343                ip1->port == ip2->port &&
 344                ip1->proto == ip2->proto;
 345 }
 346
 347 static inline int
 348 hash_netportnet6_do_data_match(const struct hash_netportnet6_elem *elem)
 349 {
 350         return elem->nomatch ? -ENOTEMPTY : 1;
 351 }
 352
 353 static inline void
 354 hash_netportnet6_data_set_flags(struct hash_netportnet6_elem *elem, u32 flags)
 355 {
 356         elem->nomatch = !!((flags >> 16) & IPSET_FLAG_NOMATCH);
 357 }
 358
 359 static inline void
 360 hash_netportnet6_data_reset_flags(struct hash_netportnet6_elem *elem, u8 *flags)
 361 {
 362         swap(*flags, elem->nomatch);
 363 }
 364
 365 static inline void
 366 hash_netportnet6_data_reset_elem(struct hash_netportnet6_elem *elem,
 367                                 struct hash_netportnet6_elem *orig)
 368 {
 369         elem->ip[1] = orig->ip[1];
 370 }
 371
 372 static inline void
 373 hash_netportnet6_data_netmask(struct hash_netportnet6_elem *elem,
 374                               u8 cidr, bool inner)
 375 {
 376         if (inner) {
 377                 ip6_netmask(&elem->ip[1], cidr);
 378                 elem->cidr[1] = cidr;
 379         } else {
 380                 ip6_netmask(&elem->ip[0], cidr);
 381                 elem->cidr[0] = cidr;
 382         }
 383 }
 384
 385 static bool
 386 hash_netportnet6_data_list(struct sk_buff *skb,
 387                           const struct hash_netportnet6_elem *data)
 388 {
 389         u32 flags = data->nomatch ? IPSET_FLAG_NOMATCH : 0;
 390
 391         if (nla_put_ipaddr6(skb, IPSET_ATTR_IP, &data->ip[0].in6) ||
 392             nla_put_ipaddr6(skb, IPSET_ATTR_IP2, &data->ip[1].in6) ||
 393             nla_put_net16(skb, IPSET_ATTR_PORT, data->port) ||
 394             nla_put_u8(skb, IPSET_ATTR_CIDR, data->cidr[0]) ||
 395             nla_put_u8(skb, IPSET_ATTR_CIDR2, data->cidr[1]) ||
 396             nla_put_u8(skb, IPSET_ATTR_PROTO, data->proto) ||
 397             (flags &&
 398              nla_put_net32(skb, IPSET_ATTR_CADT_FLAGS, htonl(flags))))
 399                 goto nla_put_failure;
 400         return 0;
 401
 402 nla_put_failure:
 403         return 1;
 404 }
 405
 406 static inline void
 407 hash_netportnet6_data_next(struct hash_netportnet4_elem *next,
 408                           const struct hash_netportnet6_elem *d)
 409 {
 410         next->port = d->port;
 411 }
 412
 413 #undef MTYPE
 414 #undef PF
 415 #undef HOST_MASK
 416
 417 #define MTYPE           hash_netportnet6
 418 #define PF              6
 419 #define HOST_MASK       128
 420 #define IP_SET_EMIT_CREATE
 421 #include "ip_set_hash_gen.h"
 422
 423 static int
 424 hash_netportnet6_kadt(struct ip_set *set, const struct sk_buff *skb,
 425                      const struct xt_action_param *par,
 426                      enum ipset_adt adt, struct ip_set_adt_opt *opt)
 427 {
 428         const struct hash_netportnet *h = set->data;
 429         ipset_adtfn adtfn = set->variant->adt[adt];
 430         struct hash_netportnet6_elem e = { };
 431         struct ip_set_ext ext = IP_SET_INIT_KEXT(skb, opt, set);
 432
 433         e.cidr[0] = IP_SET_INIT_CIDR(h->nets[0].cidr[0], HOST_MASK);
 434         e.cidr[1] = IP_SET_INIT_CIDR(h->nets[0].cidr[1], HOST_MASK);
 435         if (adt == IPSET_TEST)
 436                 e.ccmp = (HOST_MASK << (sizeof(u8) * 8)) | HOST_MASK;
 437
 438         if (!ip_set_get_ip6_port(skb, opt->flags & IPSET_DIM_TWO_SRC,
 439                                  &e.port, &e.proto))
 440                 return -EINVAL;
 441
 442         ip6addrptr(skb, opt->flags & IPSET_DIM_ONE_SRC, &e.ip[0].in6);
 443         ip6addrptr(skb, opt->flags & IPSET_DIM_THREE_SRC, &e.ip[1].in6);
 444         ip6_netmask(&e.ip[0], e.cidr[0]);
 445         ip6_netmask(&e.ip[1], e.cidr[1]);
 446
 447         return adtfn(set, &e, &ext, &opt->ext, opt->cmdflags);
 448 }
 449
 450 static int
 451 hash_netportnet6_uadt(struct ip_set *set, struct nlattr *tb[],
 452                      enum ipset_adt adt, u32 *lineno, u32 flags, bool retried)
 453 {
 454         const struct hash_netportnet *h = set->data;
 455         ipset_adtfn adtfn = set->variant->adt[adt];
 456         struct hash_netportnet6_elem e = { };
 457         struct ip_set_ext ext = IP_SET_INIT_UEXT(set);
 458         u32 port, port_to;
 459         bool with_ports = false;
 460         int ret;
 461
 462         e.cidr[0] = e.cidr[1] = HOST_MASK;
 463         if (unlikely(!tb[IPSET_ATTR_IP] || !tb[IPSET_ATTR_IP2] ||
 464                      !ip_set_attr_netorder(tb, IPSET_ATTR_PORT) ||
 465                      !ip_set_optattr_netorder(tb, IPSET_ATTR_PORT_TO) ||
 466                      !ip_set_optattr_netorder(tb, IPSET_ATTR_TIMEOUT) ||
 467                      !ip_set_optattr_netorder(tb, IPSET_ATTR_CADT_FLAGS) ||
 468                      !ip_set_optattr_netorder(tb, IPSET_ATTR_PACKETS) ||
 469                      !ip_set_optattr_netorder(tb, IPSET_ATTR_BYTES) ||
 470                      !ip_set_optattr_netorder(tb, IPSET_ATTR_SKBMARK) ||
 471                      !ip_set_optattr_netorder(tb, IPSET_ATTR_SKBPRIO) ||
 472                      !ip_set_optattr_netorder(tb, IPSET_ATTR_SKBQUEUE)))
 473                 return -IPSET_ERR_PROTOCOL;
 474         if (unlikely(tb[IPSET_ATTR_IP_TO] || tb[IPSET_ATTR_IP2_TO]))
 475                 return -IPSET_ERR_HASH_RANGE_UNSUPPORTED;
 476
 477         if (tb[IPSET_ATTR_LINENO])
 478                 *lineno = nla_get_u32(tb[IPSET_ATTR_LINENO]);
 479
 480         ret = ip_set_get_ipaddr6(tb[IPSET_ATTR_IP], &e.ip[0]) ||
 481               ip_set_get_ipaddr6(tb[IPSET_ATTR_IP2], &e.ip[1]) ||
 482               ip_set_get_extensions(set, tb, &ext);
 483         if (ret)
 484                 return ret;
 485
 486         if (tb[IPSET_ATTR_CIDR])
 487                 e.cidr[0] = nla_get_u8(tb[IPSET_ATTR_CIDR]);
 488
 489         if (tb[IPSET_ATTR_CIDR2])
 490                 e.cidr[1] = nla_get_u8(tb[IPSET_ATTR_CIDR2]);
 491
 492         if (unlikely(!e.cidr[0] || e.cidr[0] > HOST_MASK || !e.cidr[1] ||
 493                      e.cidr[1] > HOST_MASK))
 494                 return -IPSET_ERR_INVALID_CIDR;
 495
 496         ip6_netmask(&e.ip[0], e.cidr[0]);
 497         ip6_netmask(&e.ip[1], e.cidr[1]);
 498
 499         if (tb[IPSET_ATTR_PORT])
 500                 e.port = nla_get_be16(tb[IPSET_ATTR_PORT]);
 501         else
 502                 return -IPSET_ERR_PROTOCOL;
 503
 504         if (tb[IPSET_ATTR_PROTO]) {
 505                 e.proto = nla_get_u8(tb[IPSET_ATTR_PROTO]);
 506                 with_ports = ip_set_proto_with_ports(e.proto);
 507
 508                 if (e.proto == 0)
 509                         return -IPSET_ERR_INVALID_PROTO;
 510         } else
 511                 return -IPSET_ERR_MISSING_PROTO;
 512
 513         if (!(with_ports || e.proto == IPPROTO_ICMPV6))
 514                 e.port = 0;
 515
 516         if (tb[IPSET_ATTR_CADT_FLAGS]) {
 517                 u32 cadt_flags = ip_set_get_h32(tb[IPSET_ATTR_CADT_FLAGS]);
 518                 if (cadt_flags & IPSET_FLAG_NOMATCH)
 519                         flags |= (IPSET_FLAG_NOMATCH << 16);
 520         }
 521
 522         if (adt == IPSET_TEST || !with_ports || !tb[IPSET_ATTR_PORT_TO]) {
 523                 ret = adtfn(set, &e, &ext, &ext, flags);
 524                 return ip_set_enomatch(ret, flags, adt, set) ? -ret :
 525                        ip_set_eexist(ret, flags) ? 0 : ret;
 526         }
 527
 528         port = ntohs(e.port);
 529         port_to = ip_set_get_h16(tb[IPSET_ATTR_PORT_TO]);
 530         if (port > port_to)
 531                 swap(port, port_to);
 532
 533         if (retried)
 534                 port = ntohs(h->next.port);
 535         for (; port <= port_to; port++) {
 536                 e.port = htons(port);
 537                 ret = adtfn(set, &e, &ext, &ext, flags);
 538
 539                 if (ret && !ip_set_eexist(ret, flags))
 540                         return ret;
 541                 else
 542                         ret = 0;
 543         }
 544         return ret;
 545 }
 546
 547 static struct ip_set_type hash_netportnet_type __read_mostly = {
 548         .name           = "hash:net,port,net",
 549         .protocol       = IPSET_PROTOCOL,
 550         .features       = IPSET_TYPE_IP | IPSET_TYPE_PORT | IPSET_TYPE_IP2 |
 551                           IPSET_TYPE_NOMATCH,
 552         .dimension      = IPSET_DIM_THREE,
 553         .family         = NFPROTO_UNSPEC,
 554         .revision_min   = IPSET_TYPE_REV_MIN,
 555         .revision_max   = IPSET_TYPE_REV_MAX,
 556         .create         = hash_netportnet_create,
 557         .create_policy  = {
 558                 [IPSET_ATTR_HASHSIZE]   = { .type = NLA_U32 },
 559                 [IPSET_ATTR_MAXELEM]    = { .type = NLA_U32 },
 560                 [IPSET_ATTR_PROBES]     = { .type = NLA_U8 },
 561                 [IPSET_ATTR_RESIZE]     = { .type = NLA_U8  },
 562                 [IPSET_ATTR_TIMEOUT]    = { .type = NLA_U32 },
 563                 [IPSET_ATTR_CADT_FLAGS] = { .type = NLA_U32 },
 564         },
 565         .adt_policy     = {
 566                 [IPSET_ATTR_IP]         = { .type = NLA_NESTED },
 567                 [IPSET_ATTR_IP_TO]      = { .type = NLA_NESTED },
 568                 [IPSET_ATTR_IP2]        = { .type = NLA_NESTED },
 569                 [IPSET_ATTR_IP2_TO]     = { .type = NLA_NESTED },
 570                 [IPSET_ATTR_PORT]       = { .type = NLA_U16 },
 571                 [IPSET_ATTR_PORT_TO]    = { .type = NLA_U16 },
 572                 [IPSET_ATTR_CIDR]       = { .type = NLA_U8 },
 573                 [IPSET_ATTR_CIDR2]      = { .type = NLA_U8 },
 574                 [IPSET_ATTR_PROTO]      = { .type = NLA_U8 },
 575                 [IPSET_ATTR_CADT_FLAGS] = { .type = NLA_U32 },
 576                 [IPSET_ATTR_TIMEOUT]    = { .type = NLA_U32 },
 577                 [IPSET_ATTR_LINENO]     = { .type = NLA_U32 },
 578                 [IPSET_ATTR_BYTES]      = { .type = NLA_U64 },
 579                 [IPSET_ATTR_PACKETS]    = { .type = NLA_U64 },
 580                 [IPSET_ATTR_COMMENT]    = { .type = NLA_NUL_STRING },
 581                 [IPSET_ATTR_SKBMARK]    = { .type = NLA_U64 },
 582                 [IPSET_ATTR_SKBPRIO]    = { .type = NLA_U32 },
 583                 [IPSET_ATTR_SKBQUEUE]   = { .type = NLA_U16 },
 584         },
 585         .me             = THIS_MODULE,
 586 };
 587
 588 static int __init
 589 hash_netportnet_init(void)
 590 {
 591         return ip_set_type_register(&hash_netportnet_type);
 592 }
 593
 594 static void __exit
 595 hash_netportnet_fini(void)
 596 {
 597         ip_set_type_unregister(&hash_netportnet_type);
 598 }
 599
 600 module_init(hash_netportnet_init);
 601 module_exit(hash_netportnet_fini);